Patents by Inventor Derek L. Dragoo

Derek L. Dragoo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250145217
    Abstract: The utility vehicle that includes a frame carrying a prime mover and extending between a first end and a second end in a longitudinal direction. The vehicle also includes ground engaging members operatively attached to the frame. At least one of the ground engaging members is powered by the prime mover to propel the frame over a ground surface. Also, the vehicle includes a control tower (supporting operator controls) located at or near a rear end of the frame, a tank positioned lateral to the control tower, and a support pad connected to the control tower and configured to contact a leg of an operator. Further, a pad surface of the support pad is configured to align with a portion of an angled surface of the tank. Therefore, an operator leaning against the pad surface and angled surface of the tank experiences a smooth transition therebetween.
    Type: Application
    Filed: October 8, 2024
    Publication date: May 8, 2025
    Inventors: Michael S. Fredenburg, Jonathan S. Guarneri, Patrick D. Sands, Derek L. Dragoo, Kevin J. Nelson, Daniel L. Mawer
  • Publication number: 20240147897
    Abstract: A utility vehicle having a magnetic panel movably and removably coupled thereto. The vehicle includes a frame carrying a prime mover and ground engaging members operatively attached to the frame. The vehicle also include includes a panel extending between a first end region and a second end region. The first end region of the panel is operatively coupled to the frame such that panel is both movably and removably attached to the frame. One or more magnets are positioned between the portion of the frame and an inner surface of the panel proximate the second end region of the panel such that the second end region of the panel is adapted to be removably couplable to the control tower via the one or more magnets.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 9, 2024
    Inventors: Jeffrey J. Moore, Kyler J. Macy, Michael S. Fredenburg, Derek L. Dragoo, Jonathan S. Guarneri
  • Patent number: 11849667
    Abstract: A utility vehicle having a magnetic panel movably and removably coupled thereto. The vehicle includes a frame carrying a prime mover and ground engaging members operatively attached to the frame. The vehicle also include includes a panel extending between a first end region and a second end region. The first end region of the panel is operatively coupled to the frame such that panel is both movably and removably attached to the frame. One or more magnets are positioned between the portion of the frame and an inner surface of the panel proximate the second end region of the panel such that the second end region of the panel is adapted to be removably couplable to the control tower via the one or more magnets.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: December 26, 2023
    Assignee: EXMARK MANUFACTURING COMPANY INCORPORATED
    Inventors: Jeffrey J. Moore, Kyler J. Macy, Michael S. Fredenburg, Derek L. Dragoo, Jonathan S. Guarneri
  • Patent number: 11769927
    Abstract: The technology disclosed herein relates to a battery housing having a casing with a plurality of sidewalls defining an installation opening and a battery cavity configured to receive a battery. The plurality of sidewalls has a first sidewall having a tab receptacle. A cover extends across the installation opening, the cover has a first end, a second end, and an engagement tab towards the second end. The engagement tab is configured to removably extend through the tab receptacle from outside the casing towards the battery cavity. The engagement tab defines an engagement surface that is configured to frictionally engage the first sidewall in the battery cavity. An adjustable compression mechanism couples the first end of the cover to the casing and defines an axial distance between the casing and the cover. The adjustable compression mechanism is configured to adjustably compress the cover and the casing together across the axial distance.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 26, 2023
    Assignee: EXMARK MANUFACTURING COMPANY INCORPORATED
    Inventors: Derek L. Dragoo, Michael Shane Fredenburg, Patrick D. Sands
  • Publication number: 20230210047
    Abstract: A utility vehicle having a magnetic panel movably and removably coupled thereto. The vehicle includes a frame carrying a prime mover and ground engaging members operatively attached to the frame. The vehicle also include includes a panel extending between a first end region and a second end region. The first end region of the panel is operatively coupled to the frame such that panel is both movably and removably attached to the frame. One or more magnets are positioned between the portion of the frame and an inner surface of the panel proximate the second end region of the panel such that the second end region of the panel is adapted to be removably couplable to the control tower via the one or more magnets.
    Type: Application
    Filed: November 10, 2022
    Publication date: July 6, 2023
    Inventors: Jeffrey J. Moore, Kyler J. Macy, Michael S. Fredenburg, Derek L. Dragoo, Jonathan S. Guarneri
  • Patent number: 11499470
    Abstract: The technology disclosed herein relates to a grounds maintenance vehicle. The grounds maintenance vehicle has an engine and an engine shroud defining a cooling volume around the engine. The shroud defines a shroud intake. An engine oil conduit extends from the engine and a heat exchanger is coupled to the engine oil conduit.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: November 15, 2022
    Assignee: EXMARK MANUFACTURING COMPANY INCORPORATED
    Inventors: Jeremy J. Tate, Derek L. Dragoo
  • Publication number: 20220209355
    Abstract: The technology disclosed herein relates to a battery housing having a casing with a plurality of sidewalls defining an installation opening and a battery cavity configured to receive a battery. The plurality of sidewalls has a first sidewall having a tab receptacle. A cover extends across the installation opening, the cover has a first end, a second end, and an engagement tab towards the second end. The engagement tab is configured to removably extend through the tab receptacle from outside the casing towards the battery cavity. The engagement tab defines an engagement surface that is configured to frictionally engage the first sidewall in the battery cavity. An adjustable compression mechanism couples the first end of the cover to the casing and defines an axial distance between the casing and the cover. The adjustable compression mechanism is configured to adjustably compress the cover and the casing together across the axial distance.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 30, 2022
    Inventors: Derek L. Dragoo, Michael Shane Fredenburg, Patrick D. Sands
  • Publication number: 20210340898
    Abstract: The technology disclosed herein relates to a grounds maintenance vehicle. The grounds maintenance vehicle has an engine and an engine shroud defining a cooling volume around the engine. The shroud defines a shroud intake. An engine oil conduit extends from the engine and a heat exchanger is coupled to the engine oil conduit.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 4, 2021
    Inventors: Jeremy J. Tate, Derek L. Dragoo
  • Patent number: 10029738
    Abstract: A support platform isolator system for a turf maintenance vehicle. The isolator system may include one or more rear isolators, and one or more forward isolators, the isolators positioned between a chassis of the vehicle and a support platform. The isolator system may not only reduce “metal-on-metal” noise between the chassis and the platform, but may also attenuate vibration and/or shock loads transmitted to the platform. In addition, the system may assist in locating the platform on, and retaining the platform to, the chassis. The isolators of the system may form primary contact areas between the chassis and the platform.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: July 24, 2018
    Assignee: Exmark Manufacturing Company, Incorporated
    Inventors: Timothy D. Andre, Jeffrey J. Moore, Derek L. Dragoo, C. Mark Atterbury
  • Publication number: 20170341685
    Abstract: A support platform isolator system for a turf maintenance vehicle. The isolator system may include one or more rear isolators, and one or more forward isolators, the isolators positioned between a chassis of the vehicle and a support platform. The isolator system may not only reduce “metal-on-metal” noise between the chassis and the platform, but may also attenuate vibration and/or shock loads transmitted to the platform. In addition, the system may assist in locating the platform on, and retaining the platform to, the chassis. The isolators of the system may form primary contact areas between the chassis and the platform.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Inventors: Timothy D. Andre, Jeffrey J. Moore, Derek L. Dragoo, C. Mark Atterbury
  • Patent number: D936585
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 23, 2021
    Assignee: EXMARK MANUFACTURING COMPANY INCORPORATED
    Inventors: Michael Shane Fredenburg, Derek L. Dragoo, Patrick D. Sands